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What should I know about the 7990 before buying one? - Page 4

post #31 of 39
Thread Starter 
To be fair, I do only use a headset when I'm on my computer. I don't even own computer speakers.
post #32 of 39
Quote:
Originally Posted by lacrossewacker View Post

Quote:
Originally Posted by kfxsti View Post

I am going to admit something to you guys. And yes this is the internet. LOL i called the wife and asked her to look and check somethings for me as i was going to have her to go ahead and send me the link of the Run....
the run was at 1288 not 1320. SO i stand corrected. My apologies to all . But i will post the 1288 if anyone would like. Again , my apologies to all. redface.gif

and that's running the fans at 100% Unless you wear headphones, that's entirely unacceptable audibly for general gaming.
biggrin.gif
post #33 of 39
I just bought one the Sapphire HD 7990 Malta.

The new drivers have not cleared up all the issues.

I have a hard time with DX9 games (choppy).

You have to physically disable ulps to get more control over the card and for MSI Afterburner to display more of the card features like the second GPU.

Also I'm sorry to say, since the 9xxx series is around the corner AMD will drop the 7xxx series quick and all the remaining issues will be forgotten forever which is precisely what happened with my 5970 card.

Also the card does not like much in the way of an overclock or using MSI Afterburner. When overclocked, most games will get tearing/stuttering and even the desktop will get lines across it when you move the mouse. Most games operate better when the card is left on stock and when MSI Afterburner is disabled.

Not sure what the other promised fixes will bring, but I'm not holding my breath. You've been warned. I'd just wait till the 20nm cards from AMD or NVIDIA are released.
 
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post #34 of 39
Thread Starter 
Quote:
Originally Posted by Gunderman456 View Post

I just bought one the Sapphire HD 7990 Malta.

The new drivers have not cleared up all the issues.

I have a hard time with DX9 games (choppy).

You have to physically disable ulps to get more control over the card and for MSI Afterburner to display more of the card features like the second GPU.

Also I'm sorry to say, since the 9xxx series is around the corner AMD will drop the 7xxx series quick and all the remaining issues will be forgotten forever which is precisely what happened with my 5970 card.

Also the card does not like much in the way of an overclock or using MSI Afterburner. When overclocked, most games will get tearing/stuttering and even the desktop will get lines across it when you move the mouse. Most games operate better when the card is left on stock and when MSI Afterburner is disabled.

Not sure what the other promised fixes will bring, but I'm not holding my breath. You've been warned. I'd just wait till the 20nm cards from AMD or NVIDIA are released.

This is what scares me with these cheap 7990's. It looks like AMD just wants to drop a bad product. And if they've done it before - they will do it again. I've also read more customer reviews about 7990's dying in a month or less than any other card.
post #35 of 39
Quote:
Originally Posted by Chalupa View Post

This is what scares me with these cheap 7990's. It looks like AMD just wants to drop a bad product. And if they've done it before - they will do it again. I've also read more customer reviews about 7990's dying in a month or less than any other card.

OP you should consider waiting for the HD 9900 cards due in mid-oct. for somebody who wants to spend USD 650 - 700 , HD 9970 aka Hawaii is expected to come at USD 600 and might induce Nvidia to make price cuts too.
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post #36 of 39
I am not a fan of dual-gpu cards (I didn't have good experiences with my HD5970). Some games don't work well with CF/SLI. If you have two single-gpu cards, it is easy to disable CF/SLI. But quite often it is a headache to disable CF/SLI for dual-gpu cards. Dual-gpu cards usually run hot and noisy. I feel that the life span of dual-gpu cards are shorter than that of single-gpu cards (I might be wrong). Unless I have clear reasons to go for dual-gpus, I would avoid them.

If you still use the motherboard of your signature (Asus p67 Sabertooth). the band width of the PCI-E lane (ver 2.0 x16) might be a bottle neck for HD7990 (Please correct me if I am wrong). If I were you, I would wait for HD9970 and decide between gtx780 and HD9970. PCI-E lane (ver 2.0 x16) should be enough for these strong single gpus. Meanwhile if you decide to upgrade your motherboard with 2 lanes of PCI-E (ver 3.0 x8) or better, you could add another gtx780 or HD9970 for SLI or CF maybe next year.
post #37 of 39
Thread Starter 
Quote:
Originally Posted by Keromyaou View Post

I am not a fan of dual-gpu cards (I didn't have good experiences with my HD5970). Some games don't work well with CF/SLI. If you have two single-gpu cards, it is easy to disable CF/SLI. But quite often it is a headache to disable CF/SLI for dual-gpu cards. Dual-gpu cards usually run hot and noisy. I feel that the life span of dual-gpu cards are shorter than that of single-gpu cards (I might be wrong). Unless I have clear reasons to go for dual-gpus, I would avoid them.

If you still use the motherboard of your signature (Asus p67 Sabertooth). the band width of the PCI-E lane (ver 2.0 x16) might be a bottle neck for HD7990 (Please correct me if I am wrong). If I were you, I would wait for HD9970 and decide between gtx780 and HD9970. PCI-E lane (ver 2.0 x16) should be enough for these strong single gpus. Meanwhile if you decide to upgrade your motherboard with 2 lanes of PCI-E (ver 3.0 x8) or better, you could add another gtx780 or HD9970 for SLI or CF maybe next year.

I'm building a new computer, so I won't be using the same motherboard. As far as the 7990; I'm going to stay away from it. It sounds like a headache waiting to happen with the driver, heat, and x-fire issues. I will wait and see what AMD has up it's sleeve on the 24th and decide then as well.

Thanks for the help guys.
post #38 of 39
good idea..
post #39 of 39
Quote:
Originally Posted by malmental View Post

good idea..

^this. wait it out but for the pcie 2.0 vs 3.0 i read that it matters if you go more 2 gpus. checkout my 7950

ver 2 running X8

http://www.3dmark.com/3dm11/7021432

ver 2 running X16

http://www.3dmark.com/3dm11/5601273
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